User's Manual

Stollmann
E + V GmbH
BlueMod+B20
Hardware reference
Author: bg Date of Saving: 28.03.07 Ref: BlueMod+B20_HWreference_V101.doc Revision: 1.00 Page 12 of 12
3.3 Serial Interface
The interface functionally corresponds to V.24 / RS-232 but has TTL-level.
• Transmission speeds 1200 – 2764800 bps (asynchronous)
• Character representation: 8 Bit, even/odd/no Parity, 1 or 2 stop bits
• hardware flow-control with UART_RTS and UART_CTS (active low)
BlueMod+B20
Host
RXD
TXD
CTS
RTS
3.4 PIO Interface
It is possible to use the programmable digital I/Os PIO[0:11] and the programmable
analog I/Os AIO[0:1] on the BlueMod+B20. Their behavior has to be defined project
specific in the firmware.